Crossword Genius

Annoying decision gains interest to execute second culprit (6)

Ross

I believe the answer is:

riling

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'annoying' is the definition.
('rile' can be a synonym of 'annoy')

I can't explain the remainder of the clue.

Can you help me to learn more?

(Another definition for riling that I've seen is " Irritating, needling".)

I've seen this clue in The Hindu.
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